Patents by Inventor Hyeseon Eom

Hyeseon Eom has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20250048816
    Abstract: A display device according to an embodiment includes a substrate, first assembly wiring and second assembly wiring spaced apart from each other on the substrate, a first insulating layer disposed between the first assembly wiring and the second assembly wiring, a first planarization layer disposed on the second assembly wiring and having an opening overlapping the second assembly wiring, a light emitting device disposed inside the opening and including a first semiconductor layer and a second semiconductor layer on the first semiconductor layer, and contact electrode electrically connecting the second assembly wiring and the first semiconductor layer, and the contact electrode is in contact with the second assembly wiring that overlaps the side surface of the first semiconductor layer and the first planarization layer.
    Type: Application
    Filed: November 28, 2022
    Publication date: February 6, 2025
    Applicants: LG ELECTRONICS INC., LG DISPLAY CO., LTD.
    Inventors: Youngdo KIM, Hun JANG, Juhyun NAM, Hyeseon EOM, Minseok KIM
  • Publication number: 20250023002
    Abstract: A display device including a semiconductor light emitting device according to an embodiment may include a substrate, a first assembly wiring and a second assembly wiring arranged to be spaced apart from each other on the substrate, a planarization layer disposed on the first assembly wiring and the second assembly wiring and having an opening overlapping the first assembly wiring and the second assembly wiring, a light emitting device including a first electrode placed inside the opening and electrically connected to the first assembly wiring, and wherein the opening includes a main opening and one or more auxiliary openings that are connected to the main opening and are smaller than the main opening.
    Type: Application
    Filed: October 11, 2022
    Publication date: January 16, 2025
    Applicants: LG ELECTRONICS INC., LG DISPLAY CO., LTD.
    Inventors: Youngdo KIM, Juhyun NAM, Hun JANG, Sul LEE, Minseok KIM, Hyeseon EOM, Moonsun LEE
  • Publication number: 20250006879
    Abstract: The manufacturing method of the display device according to the embodiment includes a step of self-aligning the light emitting device inside the opening of the planarization layer overlapping the first assembly wiring and the second assembly wiring, a step of sequentially forming a conductive layer and an organic layer on a planarization layer and a light emitting device, a step of ashing the organic layer to remove the second part on the first part of the organic layer, and a step of forming a contact electrode by etching the conductive layer corresponding to the second part, wherein the contact electrode is in contact with the side of the first semiconductor layer below the light emitting device.
    Type: Application
    Filed: September 1, 2022
    Publication date: January 2, 2025
    Applicants: LG ELECTRONICS INC., LG DISPLAY CO., LTD.
    Inventors: Wonseok CHOI, Gisang HONG, Eunhye LEE, Jungmin KIM, Hun JANG, Hyeseon EOM, Moonsun LEE, Juhyun NAM
  • Publication number: 20240258291
    Abstract: A display device includes a substrate that has a display area in which a plurality of sub-pixels are disposed and a non-display area. The display device further includes a first assembly line and a second assembly line disposed in the plurality of sub-pixels on the substrate and spaced apart from each other. The display device further includes a light emitting element disposed on the first assembly line and the second assembly line. The display device further includes a plurality of transistors disposed in the plurality of sub-pixels. Each of the plurality of sub-pixels includes a first area in which the plurality of transistors are disposed and a second area which is separated from the first area and in which the light emitting element is disposed.
    Type: Application
    Filed: January 24, 2024
    Publication date: August 1, 2024
    Applicant: LG DISPLAY CO., LTD.
    Inventors: HyeSeon EOM, Juhyun NAM
  • Publication number: 20240258480
    Abstract: A display device according to the embodiment includes a substrate, a first assembly wiring and a second assembly wiring alternately arranged on the substrate and spaced apart from each other, a planarization layer disposed on the first assembly wiring and the second assembly wiring and having an opening and a contact portion, a light emitting device disposed inside the opening and having a first electrode overlapping the first assembly wiring and the second assembly wiring, and a pixel electrode disposed on the planarization layer and in contact with the second electrode of the light emitting device through a contact portion, and the plurality of contact units may overlap a portion of at least one side of the area where the light emitting device is disposed.
    Type: Application
    Filed: July 22, 2022
    Publication date: August 1, 2024
    Applicants: LG ELECTRONICS INC., LG DISPLAY CO., LTD.
    Inventors: Youngdo KIM, Hyeseon EOM, Juhyun NAM, Hun JANG
  • Publication number: 20240222385
    Abstract: A display device includes: a substrate including a display area having a plurality of subpixels, and a non-display area surrounding the display area and including a plurality of pad areas; a plurality of pads in the pad areas; a plurality of low-potential power link lines electrically connected to the pads in leftmost and rightmost areas among the pad areas; a plurality of first assembling lines and a plurality of second assembling lines respectively on the plurality of subpixels and electrically connected to the plurality of low-potential power link lines; and a plurality of light-emitting elements on the first assembling lines and the second assembling lines. Each of the plurality of low-potential power link lines includes: a first part connected to the plurality of first assembling lines or the plurality of second assembling lines; and a second part to transmit a low-potential power voltage to the first part.
    Type: Application
    Filed: December 26, 2023
    Publication date: July 4, 2024
    Applicant: LG Display Co., Ltd.
    Inventors: HyeSeon EOM, Juhyun NAM, Hun JANG
  • Publication number: 20240186473
    Abstract: A display device including a semiconductor light emitting device according to an embodiment includes a substrate, first assembly wiring and second assembly wiring alternately arranged on the substrate and spaced apart from each other, a planarization layer disposed on the first assembly wiring and the second assembly wiring and having a first opening, a semiconductor light emitting device disposed inside the first opening and having a first electrode overlapping the first assembled wiring and the second assembled wiring, and an assembly wiring connection pattern that electrically connects the first assembly wiring and the second assembly wiring. And first electrode can be electrically connected to one of the first assembly wiring and the second assembly wiring.
    Type: Application
    Filed: March 31, 2022
    Publication date: June 6, 2024
    Applicants: LG DISPLAY CO., LTD., LG ELECTRONICS INC.
    Inventors: Hyeseon EOM, Doohyun YOON, Moonsun LEE, Wonseok CHOI
  • Publication number: 20240186471
    Abstract: A display device includes a substrate including a plurality of sub-pixels, a pixel circuit disposed in each of the plurality of sub-pixels on the substrate, a first light emitting element disposed in each of the plurality of sub-pixels, disposed on one side of the pixel circuit, and including a first electrode, a semiconductor layer, and a second electrode, a second light emitting element disposed in each of the plurality of sub-pixels, disposed on the other side of the pixel circuit, and including a first electrode, a semiconductor layer, and a second electrode and a pixel electrode electrically connected to the pixel circuit and extending to the first light emitting element and the second light emitting element, thus a defective light emitting element of the sub-pixel can be easily repaired.
    Type: Application
    Filed: June 14, 2023
    Publication date: June 6, 2024
    Applicant: LG Display Co., Ltd.
    Inventors: HyeSeon Eom, MinSeok Kim, SuMin Lee
  • Publication number: 20240178358
    Abstract: A display device can include a display panel having an display area and a dummy area surrounding the display area, a plurality of sub-pixels disposed in the display area, a plurality of dummy sub-pixels disposed in the dummy area, a pixel circuit disposed in the plurality of sub-pixels, and at least a pair of low potential power supply lines disposed in each of the plurality of sub-pixels and the plurality of dummy sub-pixels. Therefore, it is possible to reduce or minimize transfer issues of light emitting elements in an outer portion of the display area by forming the low potential power supply lines for self-assembling the light emitting element in the dummy area.
    Type: Application
    Filed: April 13, 2023
    Publication date: May 30, 2024
    Applicant: LG Display Co., Ltd.
    Inventors: HyeSeon EOM, DaeYoung SEO, JuHyun NAM
  • Patent number: 11935993
    Abstract: A stretchable display device according to present disclosure may include a base substrate, a plurality of first substrates on the base substrate, a plurality of second substrates connecting adjacent first substrates, inorganic insulating layers on the first substrates, an organic insulating layer disposed on the first substrates so as to cover top surfaces and side surfaces of the inorganic insulating layers. The device includes first connection lines disposed on the organic insulating layer on the first substrates and disposed on a second substrate extending in a first direction, second connection lines disposed between the inorganic insulating layers and the organic insulating layer on the first substrates and disposed on a second substrate extending in a second direction, and a step alleviating layer disposed between the second connection lines and the inorganic insulating layers.
    Type: Grant
    Filed: September 22, 2020
    Date of Patent: March 19, 2024
    Assignee: LG Display Co., Ltd.
    Inventors: Hyeseon Eom, Jonghyeok Im, Doohyun Yoon
  • Patent number: 11758778
    Abstract: An organic light emitting display apparatus includes an organic light emitting display panel including a display area, including a transparent area and an opaque area, and a non-display area, a gate driver sequentially supplying a gate pulse to a plurality of gate lines included in the organic light emitting display panel, and an initialization unit transferring gate pulses and/or initialization control signals, output from the gate driver, to a plurality of transparent area gate lines. A camera photographing a region in a forward direction with respect to the organic light emitting display panel is provided in the transparent area of a rear surface of the organic light emitting display panel. A first pixel driving circuit provided in the transparent area includes two transistors, and a second pixel driving circuit provided in the opaque area includes at least three transistors.
    Type: Grant
    Filed: December 15, 2020
    Date of Patent: September 12, 2023
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Hyoung-Su Kim, Hyeseon Eom, Doohyun Yoon
  • Publication number: 20230070323
    Abstract: According to an aspect of the present disclosure, a display device includes: a plurality of substrates disposed in a plurality of subpixels and each configured as one of a transparent conducting oxide layer and an oxide semiconductor layer; a plurality of transistors respectively disposed on the plurality of substrates and provided in the plurality of subpixels, respectively; a plurality of data lines extending in a column direction between the plurality of subpixels and configured to transmit data voltages to the plurality of subpixels; and a plurality of light-emitting elements respectively disposed in the plurality of subpixels and electrically connected to the plurality of transistors, in which the plurality of substrates is disposed to spaced apart from one another, and in which the plurality of data lines is disposed in a region in which the plurality of substrates is spaced apart from one another.
    Type: Application
    Filed: September 1, 2022
    Publication date: March 9, 2023
    Inventors: DooHyun Yoon, Hun Jang, HyeSeon Eom
  • Patent number: 11502156
    Abstract: The present disclosure relates to a stretchable display device. The stretchable display device includes a lower substrate, a plurality of pixel substrates which is disposed on the lower substrate to be spaced apart from each other, a plurality of first power lines disposed on the plurality of pixel substrates, a plurality of second power lines disposed on the plurality of pixel substrates, a plurality of driving transistors which is disposed on the plurality of pixel substrates and is electrically connected to the plurality of second power lines, and a plurality of light emitting diodes which is disposed on the plurality of pixel substrates and includes an anode electrically connected to the plurality of first power lines and a cathode electrically connected to the plurality of driving transistors.
    Type: Grant
    Filed: September 24, 2020
    Date of Patent: November 15, 2022
    Assignee: LG Display Co., Ltd.
    Inventors: DooHyun Yoon, HyeSeon Eom, GyungMin Kim
  • Publication number: 20220208887
    Abstract: A display device may reduce or minimize a size of a light emission area that becomes a dark spot due to particles. The display device includes a substrate provided with a display area for displaying an image by subpixels, first electrodes provided in each of the subpixels over the substrate, driving transistors provided between the substrate and the first electrodes and coupled to each of the first electrodes, a light emitting layer provided over the first electrodes, and a second electrode provided over the light emitting layer. Each of the first electrodes includes divided electrodes spaced apart from each other, a transistor contact portion coupled with the driving transistor through a contact hole, and connection electrodes coupling each of the plurality of divided electrodes with the transistor contact portion.
    Type: Application
    Filed: December 22, 2021
    Publication date: June 30, 2022
    Inventors: DooHyun Yoon, HyeSeon Eom, Hyoung-Su Kim, MoonSoo Kim
  • Publication number: 20220165720
    Abstract: According to an aspect of the present disclosure, the display device includes a stretchable lower substrate and a plurality of first substrates disposed on the lower substrate and in which pixels are disposed. The display device also includes a plurality of second substrates connecting first substrates adjacent to each other among the plurality of first substrates. The display device further includes a plurality of connection lines disposed on the plurality of second substrates and connecting the pixels.
    Type: Application
    Filed: November 17, 2021
    Publication date: May 26, 2022
    Inventors: HyeSeon EOM, DooHyun YOON
  • Patent number: 11189678
    Abstract: An electroluminescent display apparatus can include a driving thin film transistor on a substrate, the driving thin film transistor including a gate electrode, a source electrode, a drain electrode, and an active region; a capacitor electrode facing the gate electrode; a first electrode electrically connected to the source electrode; a light emitting layer on the first electrode; and a second electrode on the light emitting layer, wherein the gate electrode and the capacitor electrode extend in a vertical direction with respect to a surface of the substrate.
    Type: Grant
    Filed: November 26, 2019
    Date of Patent: November 30, 2021
    Assignee: LG DISPLAY CO., LTD.
    Inventors: HyeSeon Eom, Doohyun Yoon
  • Publication number: 20210193785
    Abstract: An organic light emitting display apparatus includes an organic light emitting display panel including a display area, including a transparent area and an opaque area, and a non-display area, a gate driver sequentially supplying a gate pulse to a plurality of gate lines included in the organic light emitting display panel, and an initialization unit transferring gate pulses and/or initialization control signals, output from the gate driver, to a plurality of transparent area gate lines. A camera photographing a region in a forward direction with respect to the organic light emitting display panel is provided in the transparent area of a rear surface of the organic light emitting display panel. A first pixel driving circuit provided in the transparent area includes two transistors, and a second pixel driving circuit provided in the opaque area includes at least three transistors.
    Type: Application
    Filed: December 15, 2020
    Publication date: June 24, 2021
    Applicant: LG Display Co., Ltd.
    Inventors: Hyoung-Su KIM, HyeSeon EOM, DooHyun YOON
  • Patent number: 11024691
    Abstract: Discussed is an electroluminescent display device, wherein a first electrode of a first sub pixel includes a first lower electrode and a first upper electrode, a first electrode of a second sub pixel includes a second lower electrode and a second upper electrode, a first electrode of a third sub pixel includes a third lower electrode and a third upper electrode, a distance between the first lower electrode and the first upper electrode, a distance between the second lower electrode and the second upper electrode, and a distance between the third lower electrode and the third upper electrode are different from one another, the third upper electrode includes a third lower layer and a third upper layer, and the third lower layer is formed in the same pattern as that of the third lower electrode in an upper surface of the third lower electrode.
    Type: Grant
    Filed: August 21, 2019
    Date of Patent: June 1, 2021
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Gyungmin Kim, HyeSeon Eom, DooHyun Yoon
  • Publication number: 20210126172
    Abstract: A stretchable display device according to present disclosure may include a base substrate, a plurality of first substrates on the base substrate, a plurality of second substrates connecting adjacent first substrates, inorganic insulating layers on the first substrates, an organic insulating layer disposed on the first substrates so as to cover top surfaces and side surfaces of the inorganic insulating layers. The device includes first connection lines disposed on the organic insulating layer on the first substrates and disposed on a second substrate extending in a first direction, second connection lines disposed between the inorganic insulating layers and the organic insulating layer on the first substrates and disposed on a second substrate extending in a second direction, and a step alleviating layer disposed between the second connection lines and the inorganic insulating layers.
    Type: Application
    Filed: September 22, 2020
    Publication date: April 29, 2021
    Inventors: HyeSeon EOM, Jonghyeok IM, DooHyun YOON
  • Publication number: 20210126082
    Abstract: The present disclosure relates to a stretchable display device. The stretchable display device includes a lower substrate, a plurality of pixel substrates which is disposed on the lower substrate to be spaced apart from each other, a plurality of first power lines disposed on the plurality of pixel substrates, a plurality of second power lines disposed on the plurality of pixel substrates, a plurality of driving transistors which is disposed on the plurality of pixel substrates and is electrically connected to the plurality of second power lines, and a plurality of light emitting diodes which is disposed on the plurality of pixel substrates and includes an anode electrically connected to the plurality of first power lines and a cathode electrically connected to the plurality of driving transistors.
    Type: Application
    Filed: September 24, 2020
    Publication date: April 29, 2021
    Inventors: DooHyun YOON, HyeSeon EOM, GyungMin KIM